PCA9554DB vs PCA9554ABS3,118 Comparison
Detailed side-by-side comparison of PCA9554DB by Texas Instruments and PCA9554ABS3,118 by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
NXP Semiconductors
PCA9554ABS3,118 - 8-bit I2C/SMBus GPIO Expander w/ Interrupt | NXP
PCA9554ABS3,118 ✓ ActiveSpecification Comparison
| Parameter | PCA9554DB | PCA9554ABS3,118 |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $0.78 |
| Function | 8-bit I2C/SMBus I/O expander with interrupt | — |
| Number of I/O Lines | 8 | — |
| Operating Voltage Range | 2.3 V to 5.5 V | — |
| Interface | I2C/SMBus | — |
| Maximum Bus Frequency | 400 kHz | — |
| Configuration Registers | Present | — |
| Interrupt Output | Present | /INT, open-drain |
| Weak Pull-Ups | Present | — |
| Package | 16-pin SSOP | 16-HVQFN (3x3 mm) with exposed pad |
| Mounting Type | Surface mount | Surface Mount |
| Device Class | General-purpose remote I/O expander | — |
| Output Configuration | Individually configurable input/output ports | — |
| Bus Signals | SCL and SDA | — |
| Compliance Status | [DATA_NEEDED: RoHS status] | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40 C to +85 C |
| Supply Current | [DATA_NEEDED: typical and maximum supply current] | — |
| Output Drive Capability | [DATA_NEEDED: output current and output voltage characteristics] | — |
| Input Threshold | [DATA_NEEDED: input voltage thresholds] | — |
| Address | [DATA_NEEDED: I2C device address] | — |
| Pinout | [DATA_NEEDED: complete manufacturer pin names and electrical descriptions] | — |
| Interface Bus | — | I2C, SMBus |
| Number of I/O | — | 8 |
| Clock Frequency (Max) | — | 400 kHz |
| Supply Voltage | — | 2.3 V to 5.5 V |
| I/O Voltage Tolerance | — | 5.5 V |
| I2C Address Selection | — | 3 hardware address pins (up to 8 devices) |
| Default I2C Address (PCA9554A) | — | 0x38 (3-bit addr 000 = 0x38) |
| I/O Direction Configurability | — | Per-bit input or output |
| Internal Pull-ups | — | Configurable weak pull-ups per pin |
| Power-On Reset | — | Yes (all ports initialized as inputs) |
| RoHS Status | — | Compliant |
| MSL Level | — | [DATA_NEEDED: MSL rating] |